World Bird List

Species factsheet
Cabanis's Greenbul (Phyllastrephus cabanisi)

Order: Phyllastrephus cabanisi
Family: Bulbuls (Pycnonotidae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
cabanisi c Angola to se DR Congo, w Tanzania and n Zambia
sucosus s Sudan and w Kenya to e DR Congo and nw Tanzania